使用A4J，如何重新呈现javascript函数，并在重新呈现后调用它? [英] using A4J, how do I rerender a javascript function, and call it after rerendering?

问题描述

例如，我尝试过

<a4j:region id="scriptSuggested" >
<f:verbatim>
<script>
  reallyUpdateIt = function () {
       // javascript code that changes after aj4 ajax call is triggered
      }
    </script>
   </f:verbatim>
    <a4j:jsFunction reRender="scriptSuggested" ignoreDupResponses="true" ajaxSingle="true" name="updateSuggestionValues" action="#{bean.action}" oncomplete="reallyUpdateIt();">
        <a4j:actionparam name="userInput" assignTo="#{bean.input}" />
    </a4j:jsFunction>
</a4j:region>

我希望调用javascript函数

I would expect that calling the javascript function

updateSuggestionValues('val');

将要采取行动

#{bean.action}

，然后它将重新渲染区域scriptSuggested，最后将调用reallyUpdateIt()，

and after that it would rerender the region scriptSuggested and finally would call reallyUpdateIt() ,

除了更新reallyUpdateIt()的代码部分之外，所有其他方法均有效，我使用firebug检查了ajax响应，它附带了预期的新javascript代码，但是当我调用reallyUpdateIt()时，将触发旧代码.

all works except the part of updating the code of reallyUpdateIt(), I checked the ajax response using firebug, and it comes with the expected new javascript code, but when I call reallyUpdateIt() , the old code is triggered.

我正在使用JSF 1.2，richfaces 3.3.3，

I am using JSF 1.2, richfaces 3.3.3,

推荐答案

事实证明，使用<a4j:region id="scriptSuggested" >不会生成A4J可以重新呈现的html节，我不得不使用<a4j:outputPanel>，所以现在它更新了功能，我的代码现在看起来像:

it turns out using <a4j:region id="scriptSuggested" > doesn't generate an html section that A4J can rerender, I had to use <a4j:outputPanel> , so now it updates the function, my code now looks like :

<a4j:region >
<a4j:outputPanel id="scriptSuggested">  
<f:verbatim>
<script>
  reallyUpdateIt = function () {
       // javascript code that changes after aj4 ajax call is triggered
      }
    </script>
   </f:verbatim>
    <a4j:jsFunction reRender="scriptSuggested" ignoreDupResponses="true" ajaxSingle="true" name="updateSuggestionValues" action="#{bean.action}" oncomplete="reallyUpdateIt();">
        <a4j:actionparam name="userInput" assignTo="#{bean.input}" />
    </a4j:jsFunction>
</a4j:outputPanel>
</a4j:region>

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